| 摘要 |
The circuit comprises a Micom power supply section (10) for charging some voltage by system operating power supply (2) and inputting backup power to a Micom (1) in case of power interruption, power interruption detection part (20) for dividing alternating current power (AC) to a level and informing Micom (1) of the state of alternating current power (AC) by inputting voltage according to the state of input alternating current power (AC) to the Micom (1), hold signal section (30) for informing the Micom of the state of electric appliance by inputting the divided direct current voltage from main power supply (3) of the electric appliance to the Micom (1).
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